quack

(redirected from quacks)
Also found in: Dictionary, Thesaurus, Medical, Legal, Encyclopedia.
Related to quacks: quacksalver, Quack medicine

if it looks like a duck and walks like a duck, it is a duck

If something has all the characteristics of a thing, it is probably that thing, regardless of what it is called or presented as. There are many variations of the expression, and it is often shortened to the first part of the phrase. They say it's not a tax, but if it looks like a duck and walks like a duck, it is a duck.
See also: and, duck, if, like, look, walk
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

quack

n. a fraudulent physician; a derogatory term for a physician. I won’t go back to that quack ever again!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
See also:
References in periodicals archive ?
The quack managed to escape from his clinic called Sadat Memorial.
The local communities facing many health problems and a large number of people suffering from sever diseases due to the quack.
However, Dr Solangi said that health authorities are still in the process of tracking quacks, suggesting that the numbers may increase as the crackdown, initiated after numerous cases of HIV surfaced in Sindh, continues.
The meeting decided that DG Health would share the list collected from all district health officers to Sindh Health Care Commission with the names of the quacks and also those doctors under whose name the quacks using for quackery practices.
On the other hand, the police claimed to have raided house of the quacks but failed to make any arrest.
The PHC had taken action against total 13,877 quacks since the start of a drive against quackery in the province.
There are at least two lakh quacks in the country, out of which around 50,000 are in Delhi alone.
Sometimes the nonqualified practitioners were called "quacks" although they never claimed to be "doctors or surgeons," and some of them proved to be quite successful in their healing abilities.
IT is one of those scientific pearls of wisdom that tend to be quoted after several pints: a duck's quack does not produce an echo, and no one knows why.
"Quacks" includes works by such well-known artists as Jacques Callot, William Hogarth, Honore Daumier, Maxfield Parrish, and Jules Cheret, as well as some highly spirited pieces created by less familiar figures.
What got left out of "Quacks and Flacks" are the reasons many people have turned to alternative medicine in the first place.
Another reason why the belief might have grown that quacks do not echo is that ducks are normally found in open-water areas.
Quacks know that people would like to have the benefits of exercise without actually exercising.
LAHORE -- Punjab Healthcare Commission has sealed 20,810 quacks' outlets, while its teams visited over 47,600 treatment centres across the province so far.
According to the statistics shared by Director General Health Department Dr Masood Solangi here Thursday, as many as 5,039 quacks had been traced in the province.